add integration testing for bootstrap token auth

test/e2e/lifecycle/bootstrap/util.go

@@ -0,0 +1,155 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package bootstrap
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"errors"
+	"time"
+
+	"k8s.io/api/core/v1"
+	apierrs "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/wait"
+	clientset "k8s.io/client-go/kubernetes"
+	bootstrapapi "k8s.io/kubernetes/pkg/bootstrap/api"
+	"k8s.io/kubernetes/test/e2e/framework"
+)
+
+func newTokenSecret(tokenID, tokenSecret string) *v1.Secret {
+	return &v1.Secret{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: metav1.NamespaceSystem,
+			Name:      bootstrapapi.BootstrapTokenSecretPrefix + tokenID,
+		},
+		Type: bootstrapapi.SecretTypeBootstrapToken,
+		Data: map[string][]byte{
+			bootstrapapi.BootstrapTokenIDKey:           []byte(tokenID),
+			bootstrapapi.BootstrapTokenSecretKey:       []byte(tokenSecret),
+			bootstrapapi.BootstrapTokenUsageSigningKey: []byte("true"),
+		},
+	}
+}
+
+func GenerateTokenId() (string, error) {
+	tokenID, err := randBytes(TokenIDBytes)
+	if err != nil {
+		return "", err
+	}
+	return tokenID, nil
+}
+func GenerateTokenSecret() (string, error) {
+	tokenSecret, err := randBytes(TokenSecretBytes)
+	if err != nil {
+		return "", err
+	}
+	return tokenSecret, err
+}
+
+func randBytes(length int) (string, error) {
+	b := make([]byte, length)
+	_, err := rand.Read(b)
+	if err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(b), nil
+}
+
+func addSecretExpiration(s *v1.Secret, expiration string) {
+	s.Data[bootstrapapi.BootstrapTokenExpirationKey] = []byte(expiration)
+}
+
+func TimeStringFromNow(delta time.Duration) string {
+	return time.Now().Add(delta).Format(time.RFC3339)
+}
+
+func WaitforSignedClusterInfoByBootStrapToken(c clientset.Interface, tokenID string) error {
+
+	return wait.Poll(framework.Poll, 2*time.Minute, func() (bool, error) {
+		cfgMap, err := c.CoreV1().ConfigMaps(metav1.NamespacePublic).Get(bootstrapapi.ConfigMapClusterInfo, metav1.GetOptions{})
+		if err != nil {
+			framework.Failf("Failed to get cluster-info configMap: %v", err)
+			return false, err
+		}
+		_, ok := cfgMap.Data[bootstrapapi.JWSSignatureKeyPrefix+tokenID]
+		if !ok {
+			return false, nil
+		}
+		return true, nil
+	})
+}
+
+func WaitForSignedClusterInfoGetUpdatedByBootstrapToken(c clientset.Interface, tokenID string, signedToken string) error {
+
+	return wait.Poll(framework.Poll, 2*time.Minute, func() (bool, error) {
+		cfgMap, err := c.CoreV1().ConfigMaps(metav1.NamespacePublic).Get(bootstrapapi.ConfigMapClusterInfo, metav1.GetOptions{})
+		if err != nil {
+			framework.Failf("Failed to get cluster-info configMap: %v", err)
+			return false, err
+		}
+		updated, ok := cfgMap.Data[bootstrapapi.JWSSignatureKeyPrefix+tokenID]
+		if !ok || updated == signedToken {
+			return false, nil
+		}
+		return true, nil
+	})
+}
+
+func WaitForSignedClusterInfoByBootstrapTokenToDisappear(c clientset.Interface, tokenID string) error {
+
+	return wait.Poll(framework.Poll, 2*time.Minute, func() (bool, error) {
+		cfgMap, err := c.CoreV1().ConfigMaps(metav1.NamespacePublic).Get(bootstrapapi.ConfigMapClusterInfo, metav1.GetOptions{})
+		if err != nil {
+			framework.Failf("Failed to get cluster-info configMap: %v", err)
+			return false, err
+		}
+		_, ok := cfgMap.Data[bootstrapapi.JWSSignatureKeyPrefix+tokenID]
+		if ok {
+			return false, nil
+		}
+		return true, nil
+	})
+}
+
+func WaitForBootstrapTokenSecretToDisappear(c clientset.Interface, tokenID string) error {
+
+	return wait.Poll(framework.Poll, 1*time.Minute, func() (bool, error) {
+		_, err := c.CoreV1().Secrets(metav1.NamespaceSystem).Get(bootstrapapi.BootstrapTokenSecretPrefix+tokenID, metav1.GetOptions{})
+		if apierrs.IsNotFound(err) {
+			return true, nil
+		}
+		return false, nil
+	})
+}
+
+func WaitForBootstrapTokenSecretNotDisappear(c clientset.Interface, tokenID string, t time.Duration) error {
+	err := wait.Poll(framework.Poll, t, func() (bool, error) {
+		secret, err := c.CoreV1().Secrets(metav1.NamespaceSystem).Get(bootstrapapi.BootstrapTokenSecretPrefix+tokenID, metav1.GetOptions{})
+		if apierrs.IsNotFound(err) {
+			return true, errors.New("secret not exists")
+		}
+		if secret != nil {
+			return false, nil
+		}
+		return true, err
+	})
+	if err == wait.ErrWaitTimeout {
+		return nil
+	}
+	return err
+}